CVE-2026-83660: Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could resu

Q: How do I fix CVE-2026-83660?

campaign: upgrade to newer than 7.4.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-83660 being exploited?

CVE-2026-83660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-83660 affect?

CVE-2026-83660 affects campaign. Severity is critical (CVSS 9.9). Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.

Q: How urgent is CVE-2026-83660?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.9REMOTEUPGRADE

CVE-2026-83660 is a critical-severity flaw (CVSS 9.9) affecting campaign. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-09-22
Last modified	2026-09-26

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-09-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-22 18:17 UTCPublished CVE record published
2026-09-26 00:16 UTCUpdated Record last modified

adobe campaign UPGRADE

Affected: <= 7.4.3 · 7.4.4 9400 · 7.4.4 9401

Fixed in: newer than 7.4.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy campaign || rpm -q campaign || campaign --version

2. UPGRADE to newer than 7.4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade campaign

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade campaign

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · fio · FIXED · 3.43-2.fc46 · FEDORA-2026-b36219886b · source

sudo dnf upgrade --advisory=FEDORA-2026-b36219886b

Fedora ELN · weston · FIXED · 16.0.2-1.eln159 · FEDORA-2026-b98ccaa6a0 · source

sudo dnf upgrade --advisory=FEDORA-2026-b98ccaa6a0

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-83660?

campaign: upgrade to newer than 7.4.3. Exact commands for each OS are on this page.

Is CVE-2026-83660 being exploited?

CVE-2026-83660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-83660 affect?

CVE-2026-83660 affects campaign. Severity is critical (CVSS 9.9). Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.

How urgent is CVE-2026-83660?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

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References

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